- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
RS-485接口的共模輸入電壓（）
A.-5/+10V
B.-7/+12V
C.-5/+12V
D.-10/+24V
A.-5/+10V
B.-7/+12V
C.-5/+12V
D.-10/+24V
